How do I adjust the image size on the Elfin Flip 4K projector?

Elfin Flip 4K supports: - Optical Zoom (Recommended) - Digital Zoom --- Steps: 1. Press the Settings button on the remote control to open Quick Settings, then select All Settings.

2. Go to: Projector > Keystone

3. Select Image Zoom

--- Zoom behavior: - Optical Zoom - Adjusts image size by changing the projection ratio - Maintains image quality (no distortion) - Throw ratio: 0.98–1.3:1 (1.3x Optical Zoom) -

- Digital Zoom - Activated after reaching the optical zoom limit - Scales image digitally (may reduce quality) -